Electrical system
Electronic networking
Feature
• Electronically instead of mechanically controlled systems
• CAN bus: networking of electronic systems in the vehicle
• OBD diagnostic socket
• The assistance and safety systems communicate in the vehicle
via CAN bus
• Central plug connection between cab and frame
Advantage
• Faster and more precise
• Functions no longer realisable by mechanical means,
e.g. economical engine through use of electronics
• Very fast, bidirectional data exchange between different control
devices in the vehicle
• Input and output of relevant diagnostic data (Star Diagnosis)
• The driver’s workload is reduced in critical driving situations
• The vehicle is better safeguarded from driving faults
• Driving state signals are immediately displayed
• Simple disconnection of the electrical equipment from the cab,
e.g. for diagnosis or repairs
Central plug connections in the engine compartment
Central plug connections in the cab
i
All driving states are electronically compiled, analysed
and relayed accordingly to the engine control system.
This enables the most economical gear to be identified
and engaged, for example.
i
Ex factory, the Unimog model series fulfil regulation
72/245/EEC ’Electromagnetic Compatibility’ in the
version 2009/19/EC.
Technical Manual
Mercedes-Benz Special Trucks
71
Electrical system
